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We present a self-supervised learning approach to learn audio-visual representations from video and audio. Our method uses contrastive learning for cross-modal discrimination of video from audio and vice-versa. We show that optimizing for…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Pedro Morgado , Nuno Vasconcelos , Ishan Misra

Time series forecasting traditionally relies on unimodal numerical inputs, which often struggle to capture high-level semantic patterns due to their dense and unstructured nature. While recent approaches have explored representing time…

机器学习 · 计算机科学 2025-07-02 Sixun Dong , Wei Fan , Teresa Wu , Yanjie Fu

We introduce the task of spatially localizing narrated interactions in videos. Key to our approach is the ability to learn to spatially localize interactions with self-supervision on a large corpus of videos with accompanying transcribed…

计算机视觉与模式识别 · 计算机科学 2021-12-03 Reuben Tan , Bryan A. Plummer , Kate Saenko , Hailin Jin , Bryan Russell

Imitation learning from human-provided demonstrations is a strong approach for learning policies for robot manipulation. While the ideal dataset for imitation learning is homogenous and low-variance -- reflecting a single, optimal method…

机器人学 · 计算机科学 2022-10-18 Kanishk Gandhi , Siddharth Karamcheti , Madeline Liao , Dorsa Sadigh

Lecture slide presentations, a sequence of pages that contain text and figures accompanied by speech, are constructed and presented carefully in order to optimally transfer knowledge to students. Previous studies in multimedia and…

人工智能 · 计算机科学 2022-08-18 Dong Won Lee , Chaitanya Ahuja , Paul Pu Liang , Sanika Natu , Louis-Philippe Morency

Recent multimodal models such as Contrastive Language-Image Pre-training (CLIP) have shown remarkable ability to align visual and linguistic representations. However, domains where small visual differences carry large semantic significance,…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Hiroshi Sasaki

Due to burdensome data requirements, learning from demonstration often falls short of its promise to allow users to quickly and naturally program robots. Demonstrations are inherently ambiguous and incomplete, making correct generalization…

机器学习 · 计算机科学 2019-04-29 Wonjoon Goo , Scott Niekum

Generating representations of video data is of key importance in advancing the field of machine perception. Most current techniques rely on hand-annotated data, which can be difficult to work with, expensive to generate, and hard to scale.…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Sumanth Gurram , Andy Fang , David Chan , John Canny

This paper presents a benchmark dataset for aligning lecture videos with corresponding slides and introduces a novel multimodal algorithm leveraging features from speech, text, and images. It achieves an average accuracy of 0.82 in…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Katharina Anderer , Andreas Reich , Matthias Wölfel

In this paper, we teach machines to understand visuals and natural language by learning the mapping between sentences and noisy video snippets without explicit annotations. Firstly, we define a self-supervised learning framework that…

计算机视觉与模式识别 · 计算机科学 2021-01-12 Yujie Zhong , Linhai Xie , Sen Wang , Lucia Specia , Yishu Miao

Recent advancements in vision-language models have achieved remarkable results in making language models understand vision inputs. However, a unified approach to align these models across diverse tasks such as image captioning and visual…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Kartik Jangra , Aman Kumar Singh , Yashwani Mann , Geetanjali Rathee

Individualized manufacturing is becoming an important approach as a means to fulfill increasingly diverse and specific consumer requirements and expectations. While there are various solutions to the implementation of the manufacturing…

机器人学 · 计算机科学 2020-02-20 Caterina Neef , Dario Luipers , Jan Bollenbacher , Christian Gebel , Anja Richert

Imitation learning (IL) has achieved considerable success in solving complex sequential decision-making problems. However, current IL methods mainly assume that the environment for learning policies is the same as the environment for…

机器学习 · 计算机科学 2023-10-24 Siyuan Li , Xun Wang , Rongchang Zuo , Kewu Sun , Lingfei Cui , Jishiyu Ding , Peng Liu , Zhe Ma

With the rapid advancement of text-to-image (T2I) generation models, assessing the semantic alignment between generated images and text descriptions has become a significant research challenge. Current methods, including those based on…

计算机视觉与模式识别 · 计算机科学 2025-04-17 Xinli Yue , JianHui Sun , Junda Lu , Liangchao Yao , Fan Xia , Tianyi Wang , Fengyun Rao , Jing Lyu , Yuetang Deng

Cross-modal alignment aims to map heterogeneous modalities into a shared latent space, as exemplified by models like CLIP, which benefit from large-scale image-text pretraining for strong recognition capabilities. However, when operating in…

计算机视觉与模式识别 · 计算机科学 2025-10-27 Jiaxiang Liu , Yuan Wang , Jiawei Du , Joey Tianyi Zhou , Mingkun Xu , Zuozhu Liu

We propose a self-supervised method to learn feature representations from videos. A standard approach in traditional self-supervised methods uses positive-negative data pairs to train with contrastive learning strategy. In such a case,…

计算机视觉与模式识别 · 计算机科学 2020-08-13 Li Tao , Xueting Wang , Toshihiko Yamasaki

Despite the significant success of Large Vision-Language models(LVLMs), these models still suffer hallucinations when describing images, generating answers that include non-existent objects. It is reported that these models tend to…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Bin Li , Dehong Gao , Yeyuan Wang , Linbo Jin , Shanqing Yu , Xiaoyan Cai , Libin Yang

Making decent multi-lingual sentence representations is critical to achieve high performances in cross-lingual downstream tasks. In this work, we propose a novel method to align multi-lingual embeddings based on the similarity of sentences…

计算与语言 · 计算机科学 2024-05-29 Minsu Park , Seyeon Choi , Chanyeol Choi , Jun-Seong Kim , Jy-yong Sohn

With the novel and fast advances in the area of deep neural networks, several challenging image-based tasks have been recently approached by researchers in pattern recognition and computer vision. In this paper, we address one of these…

计算机视觉与模式识别 · 计算机科学 2022-11-11 Jônatas Wehrmann , Anderson Mattjie , Rodrigo C. Barros

Temporal video alignment aims to synchronize the key events like object interactions or action phase transitions in two videos. Such methods could benefit various video editing, processing, and understanding tasks. However, existing…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Ishan Rajendrakumar Dave , Fabian Caba Heilbron , Mubarak Shah , Simon Jenni